<svg fill="#bdbdbd" viewBox="0 0 48 48" xmlns="http://www.w3.org/2000/svg"><path d="m31 24c0-2.21-1.79-4-4-4-2.21 0-4 1.79-4 4 0 2.21 1.79 4 4 4 2.21 0 4-1.79 4-4m-4-18c-9.94 0-18 8.06-18 18h-6l8 8 8-8h-6c0-7.73 6.27-14 14-14 7.73 0 14 6.27 14 14 0 7.73-6.27 14-14 14-3.03 0-5.82-.97-8.12-2.61l-2.83 2.87c3.04 2.34 6.83 3.74 10.95 3.74 9.94 0 18-8.06 18-18 0-9.94-8.06-18-18-18"/></svg>